Species
Browsing 588 species. Use the filters below to narrow down.
Spixi Snail
InvertAsolene spixi
A compact, zebra-striped apple snail that actually eats pest snails.
Splendid Killifish
FishAphanius splendens
A rare Turkish killifish relative worth keeping for conservation as much as curiosity.
Spotcheek Cichlid
FishThorichthys maculipinnis
A gentle Central American cichlid that surprises with its delicate spotted fins.
Spotted
FishSewellia sp. "SEW01"
A bold hillstream loach from Vietnam with a spotted pattern and real personality.
Spotted Barbel
FishHemibarbus maculatus
A bold, active coolwater fish with a row of dramatic flank spots.
Spotted Danio
FishBrachydanio nigrofasciatus
A rare, peaceful little danio from Myanmar that rewards patient keepers.
Spotted Hatchetfish
FishGasteropelecus levis
A surface-hugging jumper with a deep keel and surprisingly peaceful nature.
Spotted Hillstream Loach
FishSewellia speciosa
A spotted hillstream loach that's feisty, fascinating, and surprisingly easy to breed.
Spotted Kuhli Loach
FishPangio muraeniformis
A slithery little bottom-dweller with a bold spotted pattern and a 10-year lifespan.
Spotted Metynnis
FishMetynnis maculatus
A schooling cousin of the piranha that mostly just wants to eat your plants.
Squamosa Clam
InvertTridacna squamosa
A beginner-friendly giant clam with dramatic, fluted shell edges and vivid mantle colors.
Sri Lanka Kamalika's Barb.
FishPuntius kamalika
A quietly attractive Sri Lankan barb that earns its keep without demanding much.
Starlet Sea Star
InvertAsterina gibbosa
A tiny, hardy sea star that's more interesting than it first appears.
Star Snail
InvertAstraea tecta
A tireless reef tank janitor that scrapes algae from glass and rock with quiet efficiency.
Sterba's Cory
FishCorydoras sterbai
A long-lived, peaceful catfish that does everything better in a group.
Strawberry Anemone
CoralCorynactis annulata
A tough, colorful corallimorpharian that thrives where most corals struggle.
Strawberry Anemone
CoralCorynactis californica
A Pacific anemone lookalike that carpets rocky reefs in vivid, candy-like clusters.
Strawberry Rasbora
FishBoraras naevus
A thumbnail-sized Thai rasbora with bold body blotches and big personality in groups.
Strawberry Spot Sucker Loach
FishErromyzon sp. "Red Spots"
A rarely identified hillstream loach with bold red spots and fascinating spawning behavior.
Striped barb
FishPuntius lineatus
A peaceful Bornean barb that shows its best colors in a proper school.
Striped mud carp
FishGymnostomus lineatus
A floodplain grazer with faint lateral stripes and a wandering lifestyle.
Suckermouth Catfishes
FishHypostomus sp
Ancient armored grazers from one of South America's most remote wild places.
Suckermouth Catfishes
FishHypostomus sp. "L231"
A mysterious Peruvian pleco whose identity still has scientists guessing.
Suckermouthed Catfish
FishHypostomus punctatus
A hardy Brazilian pleco that earns its keep cleaning up algae and debris.
Sulawesi Ricefish
FishOryzias eversi
A tiny Sulawesi ricefish with a fascinating pelvic-brooding trick.
Sulawesi Ricefish
FishOryzias wolasi
A tiny Sulawesi ricefish with glowing color and surprisingly easy breeding habits.
Sulphurhead
FishAulonocara maylandi maylandi
A gentle Malawi cichlid with a vivid yellow streak down its back.
Sumatran Mini Royal Loach
FishKottelatlimia pristes
A tiny blackwater loach from Borneo that punches above its weight in personality.
Sunshine Rasbora
FishRasbora lacrimula
A tiny Bornean rasbora with a teardrop tail spot and big personality in a school.
Sun Zoanthid
CoralPalythoa grandis
Bold colonial polyps from Costa Rica's reefs, forgiving enough for beginner reef tanks.
Swordtail
FishXiphophorus hellerii
The elongated tail sword makes males one of the most recognizable livebearers in the hobby.
Taiwanese Hillstream Loach
FishHemimyzon formosanus
A rare Taiwanese hillstream fish that needs company to truly settle in.
Taiwan Torrent Carp
FishAcrossocheilus paradoxus
A boldly barred Taiwanese cyprinid that's surprisingly easy to keep.
Tamang Borneo sucker
FishHypergastromyzon humilis
A tiny Bornean hillstream loach that crawls rocks instead of swimming
Taurus Cory
FishAspidoras taurus
A pint-sized armored catfish that breathes air and thrives in groups.
Tequila Splitfin
FishZoogoneticus tequila
A fish kept in aquariums that may no longer exist anywhere in the wild.